Originally Posted by
foci
My brother had this. Turns out the coil part of the ecu was spannered. Well the bit that tells it to spark. check the spark is nice and strong...
This is why I asked if spark at all plugs.
Coil drivers in ECU can fail.
On the coil there are 3 terminals, centre one is live from ignition, then either side are switched grounds from ECU. Providing you have 12v on centre one, on cranking you should get a ground on either side.